package dao;

public class TextPaper implements Paper{
    private int charPerLine=16; //每行字符数
    private int linePerPage=5; //每页行数
    private String content="";  //纸张中内容
    private int posX=0;  //当前横向位置
    private int posY=0; //当前行数
    private int posP=1;  //当前页数
    @Override
    public void putInChar(char c) {
        content+=c;
        ++posX;
        if(posX==charPerLine){
            content+=Paper.newline;
            posX=0;
            ++posY;
        }
        if(posY==linePerPage){
            content+="==第"+posP+"页==";
            content+=Paper.newline+Paper.newline;
            posY=0;
            ++posP;
        }
    }

    @Override
    public String getContent() {
        String ret=this.content;
        if(!(posX==0&posY==0)){
            int count=linePerPage-posY;
            for (int i = 0; i < count; i++) {
                ret+=Paper.newline;
            }
            ret+="==第"+posP+"页==";
        }
        return ret;
    }

    public void setLinePerPage(int linePerPage) {
        this.linePerPage = linePerPage;
    }

    public void setCharPerLine(int charPerLine) {
        this.charPerLine = charPerLine;
    }
}
